In one study, aluminum samples with ferromagnetic inclusions exhibited up to a 20% increase in creep after being subjected to a magnetic field prior to mechanical loading. This effect was linked ...
Your navigation system just got a critical update, one that happens periodically because Earth’s magnetic north pole keeps moving. Here’s what to know.
Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.